The closed-loop transfer function C(s)/R(s) of the system represented by the block diagram in the figure is

\(\frac{1}{{{{\left( {s + 1} \right)}^2}}}\)

The closed-loop transfer function C(s)/R(s) of the system represented

1.	The closed-loop transfer function C(s)/R(s) of the system represented by the block diagram in the figure is
A.	\(\frac{1}{{{{\left( {s + 1} \right)}^2}}}\)
B.	\(\frac{1}{{s + 1}}\)
C.	s + 1
D.	1
Answer» C. s + 1